During the Cold War, two physicists became public "opponents" of the Pentagon's antiballistic missile systems. But they kept ...

Routine reactor emissions pose no meaningful health risk to the US workers and population, a health physicist and a nuclear ...

On January 27th, the Bulletin of the Atomic Scientists will reveal the 2026 Doomsday Clock time. The announcement will occur ...

Does it make sense to continue holding massive international summits if the core of the problem—the continued use of oil, gas, and coal—continues to be systematically avoided?

Like climate change, the Trump administration’s efforts to remove climate data from government websites feel vast, intangible ...

Disruptive technology stories that explore the artificial intelligence revolution and the influence of powerful technology ...

We’re going to have our very large United States oil companies, the biggest anywhere in the world, go in, spend billions of dollars, fix the badly broken infrastructure, the oil infrastructure, and ...

To deal with the range of strangeness and cruelty that 2025 offered,  the Bulletin’s multimedia team embarked on a variety of ...

Congressman Ted Lieu, in his third term in Congress, represents California’s 33rd District. In his first term he was elected president of the Democratic Freshman Class by his colleagues; last term he ...

Charli Carpenter is professor of political science at University of Massachusetts-Amherst and Director of the Human Security Lab. She writes bi-weekly on international law and human security for World ...

Solar power. The history of a magazine. The impact of DOGE cuts on medical research. Russian trolls. Cyberstorms. Newly found research results from ...

Thomas Shea is an independent consultant with extensive experience in non-proliferation and IAEA safeguards, nuclear disarmament, and the global expansion of nuclear power. He recently contributed to ...